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Finding the Fourth Proportional to 91,937,004,429.45, 137,905,506,644.17 and 91,937,004,429.45

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Solution

The fourth proportional to 91,937,004,429.45, 137,905,506,644.17 and 91,937,004,429.45 is: 137,905,506,644.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,937,004,429.45 : 137,905,506,644.17 = 91,937,004,429.45 : x
  2. Step 2: Convert to fraction form
    91,937,004,429.45/137,905,506,644.17 = 91,937,004,429.45/x
  3. Step 3: Cross multiply
    91,937,004,429.45x = 137,905,506,644.17 × 91,937,004,429.45
  4. Step 4: Simplify right side
    91,937,004,429.45x = 12,678,619,175,190,603,497,472
  5. Step 5: Solve for x
    x = 12,678,619,175,190,603,497,472/91,937,004,429.45
  6. Step 6: Final answer
    x = 137,905,506,644.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.